QXcbBackingStoreImage Class Reference

Inheritance diagram for QXcbBackingStoreImage:

Collaboration diagram for QXcbBackingStoreImage:

Public Member Functions
	QXcbBackingStoreImage (QXcbBackingStore *backingStore, const QSize &size)
	QXcbBackingStoreImage (QXcbBackingStore *backingStore, const QSize &size, uint depth, QImage::Format format)
	~QXcbBackingStoreImage ()
void	resize (const QSize &size)
void	flushScrolledRegion (bool clientSideScroll)
bool	scroll (const QRegion &area, int dx, int dy)
QImage *	image ()
QPlatformGraphicsBuffer *	graphicsBuffer ()
QSize	size () const
bool	hasAlpha () const
bool	hasShm () const
void	put (xcb_drawable_t dst, const QRegion &region, const QPoint &offset)
void	preparePaint (const QRegion &region)
Public Member Functions inherited from QXcbObject
	QXcbObject (QXcbConnection *connection=nullptr)
void	setConnection (QXcbConnection *connection)
QXcbConnection *	connection () const
xcb_atom_t	atom (QXcbAtom::Atom atom) const
xcb_connection_t *	xcb_connection () const

Static Public Member Functions
static bool	createSystemVShmSegment (xcb_connection_t *c, size_t segmentSize=1, xcb_shm_segment_info_t *shm_info=nullptr)

Detailed Description

Definition at line 41 of file qxcbbackingstore.cpp.

Constructor & Destructor Documentation

QXcbBackingStoreImage() [1/2]

QXcbBackingStoreImage::QXcbBackingStoreImage	(	QXcbBackingStore *	backingStore,
		const QSize &	size
	)

Definition at line 152 of file qxcbbackingstore.cpp.

References window(), and QPlatformBackingStore::window().

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QXcbBackingStoreImage() [2/2]

QXcbBackingStoreImage::QXcbBackingStoreImage	(	QXcbBackingStore *	backingStore,
		const QSize &	size,
		uint	depth,
		QImage::Format	format
	)

Definition at line 160 of file qxcbbackingstore.cpp.

~QXcbBackingStoreImage()

QXcbBackingStoreImage::~QXcbBackingStoreImage ( )

inline

Definition at line 46 of file qxcbbackingstore.cpp.

Member Function Documentation

createSystemVShmSegment()

bool QXcbBackingStoreImage::createSystemVShmSegment ( xcb_connection_t *  c, size_t  segmentSize = 1, xcb_shm_segment_info_t *  shm_info = nullptr  )

static

Definition at line 370 of file qxcbbackingstore.cpp.

References error, and qCWarning.

Referenced by QXcbBackingStore::createSystemVShmSegment().

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flushScrolledRegion()

void QXcbBackingStoreImage::flushScrolledRegion

(

bool

clientSideScroll

)

Definition at line 271 of file qxcbbackingstore.cpp.

References QPainter::CompositionMode_Source, QXcbObject::connection(), QImage::format(), hasShm(), QRegion::intersects(), QRegion::isNull(), Q_XCB_REPLY_UNCHECKED, rect, reply, QXcbConnection::sync(), and QXcbObject::xcb_connection().

Referenced by QXcbBackingStore::flush(), QXcbBackingStore::rhiFlush(), and QXcbBackingStore::toImage().

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graphicsBuffer()

QPlatformGraphicsBuffer * QXcbBackingStoreImage::graphicsBuffer ( )

inline

Definition at line 55 of file qxcbbackingstore.cpp.

Referenced by QXcbBackingStore::graphicsBuffer().

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hasAlpha()

bool QXcbBackingStoreImage::hasAlpha ( ) const

inline

Definition at line 59 of file qxcbbackingstore.cpp.

Referenced by QXcbBackingStore::beginPaint().

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hasShm()

bool QXcbBackingStoreImage::hasShm ( ) const

inline

Definition at line 60 of file qxcbbackingstore.cpp.

Referenced by flushScrolledRegion(), preparePaint(), put(), resize(), and scroll().

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image()

QImage * QXcbBackingStoreImage::image ( )

inline

Definition at line 54 of file qxcbbackingstore.cpp.

Referenced by QXcbBackingStore::endPaint(), QXcbBackingStore::paintDevice(), and QXcbBackingStore::toImage().

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preparePaint()

void QXcbBackingStoreImage::preparePaint

(

const QRegion &

region

)

Definition at line 725 of file qxcbbackingstore.cpp.

References QXcbObject::connection(), hasShm(), QRegion::intersects(), and QXcbConnection::sync().

Referenced by QXcbBackingStore::beginPaint(), QXcbBackingStore::endPaint(), and scroll().

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put()

void QXcbBackingStoreImage::put	(	xcb_drawable_t	dst,
		const QRegion &	region,
		const QPoint &	offset
	)

Definition at line 675 of file qxcbbackingstore.cpp.

References QRegion::boundingRect(), hasShm(), Q_ASSERT, rect, QRect::topLeft(), QRegion::translated(), QRect::translated(), and QXcbObject::xcb_connection().

Referenced by QXcbBackingStore::render(), and QXcbSystemTrayBackingStore::render().

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resize()

void QXcbBackingStoreImage::resize

(

const QSize &

size

)

Definition at line 183 of file qxcbbackingstore.cpp.

References QSysInfo::BigEndian, QSysInfo::ByteOrder, QXcbObject::connection(), QScreen::handle(), hasShm(), imageDataSize(), qCDebug, size(), QPlatformBackingStore::window(), and QXcbObject::xcb_connection().

Referenced by QXcbBackingStore::recreateImage(), and QXcbSystemTrayBackingStore::recreateImage().

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scroll()

bool QXcbBackingStoreImage::scroll	(	const QRegion &	area,
		int	dx,
		int	dy
	)

Definition at line 441 of file qxcbbackingstore.cpp.

References area(), hasShm(), QRect::intersected(), QRegion::intersected(), QImage::isNull(), preparePaint(), qt_scrollRectInImage(), rect, scrollArea, size(), QRect::translated(), and QXcbObject::xcb_connection().

Referenced by QXcbBackingStore::scroll().

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size()

QSize QXcbBackingStoreImage::size ( ) const

inline

Definition at line 57 of file qxcbbackingstore.cpp.

References QImage::size().

Referenced by QXcbBackingStore::flush(), resize(), QXcbBackingStore::resize(), QXcbBackingStore::rhiFlush(), and scroll().

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The documentation for this class was generated from the following file:

• qtbase/src/plugins/platforms/xcb/qxcbbackingstore.cpp